Patents
Sitemap › C23 - Coating metallic material; Coating material with metallic material; Chemical surface treatment; Diffusion treatment of metallic material; Coating by vacuum evaporation, by sputtering, by ion implantation or by chemical vapour deposition, in general; Inhibiting corrosion of metallic material or incrustation in general › C23F - Non-mechanical removal of metallic material from surfaces; Inhibiting corrosion of metallic material; Inhibiting incrustation in general; Multi-step processes for surface treatment of metallic material involving at least one process provided for in class and at least one process covered by subclass  or or class › C23F 11 - Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent
Patents for C23F 11 - Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent (9,217)
08/1990
08/21/1990US4950474 Ethoxylated propoxylated alkylphenol amine; at least two phosphonate groups
08/21/1990US4950453 Forming zinc silicate coating on metal surfaces exposed to water
08/21/1990US4950411 Corrosion inhibitor compositions
08/16/1990EP0382061A2 Process for inhibiting the corrosion of vapor/condensed water systems
08/09/1990DE4002826A1 Verfahren zum schutze von metallischen oberflaechen A method for lee of metallic surface until
08/08/1990EP0381377A2 Improved corrosion preventive composition
08/07/1990US4946626 Corrosion inhibitors
08/07/1990US4946616 Heat transfer fluids containing dicarboxylic acid mixtures as corrosion inhibitors
08/07/1990US4946506 Polyethers with addition polymer side chains and alkali or alkaline earth metal nitrite
08/07/1990CA1272476A1 4-alkylbenzoyl acrylic acids as corrosion inhibitors in oil-based lubricant systems
07/1990
07/31/1990US4944917 Use of thiosulfate salt for corrosion inhibition in acid gas scrubbing processes
07/31/1990US4944916 Surrounding with polymer containing embedded metal particles
07/31/1990US4944885 Antideposit, antiscale
07/31/1990US4944812 Tannin mannich adducts for improving corrosion resistance of metals
07/25/1990EP0218677B1 Corrosion inhibiting quenchant compositions
07/18/1990EP0211065B1 Corrosion inhibitor for high density brines
07/18/1990CN1043952A Silicon sheet sheared edge rust preventive and making method
07/17/1990US4942254 Chalcogen compounds, adducts with sulfuric acid
07/17/1990US4942193 Temporary protective coating compositions
07/14/1990WO1990008129A1 Derivatives of n,n-bis(2,2-dimethyl-2-carboxylethyl)amine, manufacturing procedure and use of same
07/14/1990CA2023783A1 Derivatives of n,n-bis(2,2-dimethyl-2-carboxylethyl)amine, manufacturing procedure and use of same
07/10/1990CA1271323A1 N, s containing corrosion inhibitors
07/10/1990CA1271322A1 Silicate-containing antifreeze with carboxy- substituted organolsilicon stabilizer
07/04/1990EP0376702A2 Aqueous ultra-dilute composite solution
07/04/1990CN1043534A Metal corrosion inhibitor containing nitrogen, phosphorus and sulphur
07/04/1990CN1008637B Process for producing heat pipe
07/03/1990US4938925 Method of inhibiting corrosion using N-S containing compounds
06/1990
06/28/1990CA2006826A1 Aqueous ultra-dilute composite solution
06/26/1990US4936987 Synergistic scale and corrosion inhibiting admixtures containing carboxylic acid/sulfonic acid polymers
06/20/1990EP0373600A1 Rust and corrosion preventive compounds
06/20/1990EP0373255A1 Corrosion-inhibiting polymer film, method for its productionn and apparatus for carrying out the method
06/20/1990EP0373249A1 Biocide water treatment having reduced copper corrosion
06/19/1990US4935205 Corrosion inhibition
06/13/1990DE3841062A1 Coolant
06/05/1990US4931188 (meth)acrylic acid and allyloxyalkylamino copolymers as corrosion inhibitors, antiscaling agents
05/1990
05/31/1990WO1990005794A1 Tannin mannich adducts for improving corrosion resistance of metals
05/30/1990CN1008189B Multi-functional additive for cooling water of internal combustion engine
05/29/1990US4929695 Water treatment polymers and methods of use thereof
05/29/1990US4929425 Acrylamide copolymers, inorganic phosphates, organic phosphonates
05/29/1990US4929424 Prevention of vapor phase corrosion caused by halogens in brewery pasteurizers
05/29/1990US4929364 Boilers, neutralization
05/29/1990US4929362 Acrylic acid-monohydroxyalkyl allyl ether copolymers
05/29/1990CA1269568A1 Method for repairing the near-surface layers of buildings reinforced with constructional steel
05/29/1990CA1269521A1 Process and composition for inhibiting iron and steel corrosion
05/23/1990EP0369584A1 Method for oxygen scavenging and scale prevention in boilers
05/23/1990EP0369100A1 Heat transfer fluids containing dicarboxylic acid mixtures as corrosion inhibitors
05/23/1990DE3839158A1 Device for preventing damage due to corrosion brought about by water used for extinguishing purposes
05/22/1990US4927669 Oil field corrosion inhibition
05/22/1990US4927550 Corrosion preventive composition
05/22/1990CA1269228A1 Method for inhibiting corrosion in aqueous systems
05/17/1990DE3837769A1 Korrosionsschutzverfahren Corrosion protection methods
05/16/1990EP0368157A1 Corrosion inhibitor
05/16/1990EP0368155A1 Inhibiting corrosion in aqueous systems
05/16/1990EP0368153A1 Phosphonic acid compounds and the preparation and use thereof
05/16/1990EP0368119A1 Use of methyl polysiloxanes with quaternary ammonium groups as corrosion inhibitors in mainly aqueous preparations
05/16/1990CA2002979A1 Tannin mannich adducts for improving corrosion resistance of metals
05/15/1990US4926449 Potassium molybdate, nitrite, borate mixture
05/09/1990EP0366845A1 Method for stabilizing metal ions
05/08/1990US4923634 Cooling water corrosion inhibition method
05/08/1990CA1268676A1 Anticorrosion coatings for porous concrete metal reinforcing structures
05/02/1990EP0365815A1 Continuous on-stream monitoring of cooling tower water
05/02/1990CN1041774A Temporary protective coating compositions
04/1990
04/25/1990CN1041621A Super thin anti-rust oil for ferrous metal products
04/24/1990US4920107 1-methyl-3,5,7-triaza-1-azoniatricyclodecane compounds, a method for preparing these compounds, and their use in the control of microorganisms in aqueous systems
04/24/1990CA1268030A1 Corrosion inhibitor
04/24/1990CA1268029A1 Method of inhibiting corrosion in aqueous systems
04/24/1990CA1268028A1 Corrosion inhibitor comprising tannin or derivative thereof
04/19/1990WO1990004046A1 Corrosion inhibition of sodium and calcium chloride
04/18/1990EP0364132A1 Method for forming conversion coating on surface of copper or copper alloy
04/18/1990EP0364030A1 Synergistic compositions and method for inhibiting carbon steel corrosion in aqueous systems
04/18/1990EP0363824A2 Temporary protective coating compositions
04/18/1990EP0363439A1 Treatment for water systems to inhibit corrosion and scale formation
04/18/1990CN1041341A Treatment of aqueous systems
04/17/1990US4917729 Corrosion inhibiting aqueous, acidic compositions comprising metal-chelating o-hydroxybenzylamine compound
04/17/1990CA1267778A1 Method of inhibiting corrosion in aqueous systems
04/10/1990US4915939 Reaction typed deodorant composition having a corrosion-inhibiting activity
04/10/1990US4915872 Cast solid block corrosion inhibitor composition
04/10/1990CA1267746A1 Treatment of metal with derivative of poly- alkenylphenol
04/05/1990WO1990003496A1 Steam boiler system
04/04/1990EP0361592A2 Method of inhibiting sulfide attack
04/04/1990CN1041010A Technology of steel derusting and passivating
04/03/1990US4913880 Novel amine-containing copolymers and their use
04/03/1990US4913822 Water soluble acrylic acid copolymer, phosphonate compound, zinc salt
04/03/1990US4912934 Forming corrosion resistance film, of molybfrnum-oxides and iron oxides on inside wall
04/03/1990CA1267421A1 Benzoyl alanines compounds and their use as corrosion inhibitors
03/1990
03/29/1990DE3835400A1 Corrosion inhibitor for metals and consolidating agent for corrosion products on metal surfaces
03/28/1990EP0360747A2 Telomeric compound
03/28/1990EP0360746A2 Phosphonic compounds
03/28/1990EP0360745A1 Treatment of aqueous systems
03/28/1990EP0250446B1 Process for the preservation of organic products
03/27/1990US4912278 Friedel-Crafts reactions
03/27/1990US4911888 Salt containing phenyl ring
03/27/1990US4911887 Diphosphonate substituted oxygen containing ring
03/21/1990EP0359437A1 Mirror Backings
03/21/1990EP0359048A2 Amidoamine salts of alkenylsuccinic acid derivatives, method for their preparation and their use as corrosion inhibitors
03/20/1990US4910179 ID catalyzed reactions and compositions for use therein
03/20/1990US4909987 Aroylcarboxylic acid corrosion inhibitors
03/14/1990CN1007136B Process for prepn. of heating members
03/13/1990CA1266599A1 Acrylic acid/2-acrylamido-2-methylpropylsulfonic acid/2-acrylamido-2-methylpropyl phosphonic acid polymers as scale and corrosion inhibitors
03/08/1990WO1990002110A1 New water-soluble reactive fluorine-containing compounds; methods for obtaining them and utilizations
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